Exclusive: Minn. Drone School Draws Students, Controversy

They're used on the battlefield and in war. Soon, drones will be coming to Minnesota's airspace.

The FAA is preparing to open American airspace to domestic uses of unarmed drones and Minnesota is competing with 36 other states to be one of the nation's first test sites.

Now, a small Minnesota college boasts it is the first in the nation to train students how to maintain drones, and has also launched a program to teach students on how to interpret the data the remotely-piloted machines send back.

But critics say the college is really "training people to work in a spy program, spying on the United States."